…require a replacement battery, or an additional pack to keep you working, PSA has a power solution to match.This Main Battery Pack is designed for SonyVaio PCG-Z1VAP, PCG-V505DX, PCG-Z1RAP1KITB, PCG-V505MP, PCG-V505DXP, PCG-Z1RAP1, PCG-Z1VAP1, PCG-V505R, PCG-V505 CTO, PCG-V505A.